reduction

英 [rɪˈdʌkʃn]

美 [rɪˈdʌkʃn]

n. 减少; 缩小; 降低; 减价; 折扣; (照片、地图、图片等的)缩图，缩版

复数：reductions　

Oxford 3000 / Collins.3 / BNC.1554 / COCA.2270

牛津词典

noun

减少；缩小；降低
an act of making sth less or smaller; the state of being made less or smaller
1. a 33% reduction in the number of hospital beds available
  医院的床位减少33%
2. There has been some reduction in unemployment.
  失业人数有所减少。
3. a slight/significant/substantial/drastic reduction in costs
  成本的略微 / 显著 / 大幅度 / 急剧降低
减价；折扣
an amount of money by which sth is made cheaper
1. There are reductions for children sharing a room with two adults.
  孩子和两个大人合住一间房可以打折。
（照片、地图、图片等的）缩图，缩版
a copy of a photograph, map, picture, etc. that is made smaller than the original one
还原
the fact of adding one or more electrons to a substance or of removing oxygen from a substance

N-COUNT 减少；降低
When there is areduction insomething, it is made smaller.
1. ...a future reduction in UK interest rates...
  未来英国利率的下调
2. Many companies have announced dramatic reductions in staff.
  许多公司已经宣布大幅裁员。
N-UNCOUNT 减少；降低；缩小
Reductionis the act of making something smaller in size or amount, or less in degree.
1. ...a new strategic arms reduction agreement.
  新的战略武器削减协议

noun

the act of reducing complexity
Synonym:simplification
the act of decreasing or reducing something
Synonym:decreasediminutionstep-down
any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen)
Synonym:reducing